51895480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 146966400

約数和(自身を除く): 95070920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 212, 260, 265, 269, 280, 364, 371, 424, 455, 520, 530, 538, 689, 728, 742, 910, 1060, 1076, 1345, 1378, 1484, 1820, 1855, 1883, 2120, 2152, 2690, 2756, 2968, 3445, 3497, 3640, 3710, 3766, 4823, 5380, 5512, 6890, 6994, 7420, 7532, 9415, 9646, 10760, 13780, 13988, 14257, 14840, 15064, 17485, 18830, 19292, 24115, 24479, 27560, 27976, 28514, 34970, 37660, 38584, 48230, 48958, 57028, 69940, 71285, 75320, 96460, 97916, 99799, 114056, 122395, 139880, 142570, 185341, 192920, 195832, 199598, 244790, 285140, 370682, 399196, 489580, 498995, 570280, 741364, 798392, 926705, 979160, 997990, 1297387, 1482728, 1853410, 1995980, 2594774, 3706820, 3991960, 5189548, 6486935, 7413640, 10379096, 12973870, 25947740, 51895480]

約数ペア:

[(1, 51895480), (2, 25947740), (4, 12973870), (5, 10379096), (7, 7413640), (8, 6486935), (10, 5189548), (13, 3991960), (14, 3706820), (20, 2594774), (26, 1995980), (28, 1853410), (35, 1482728), (40, 1297387), (52, 997990), (53, 979160), (56, 926705), (65, 798392), (70, 741364), (91, 570280), (104, 498995), (106, 489580), (130, 399196), (140, 370682), (182, 285140), (212, 244790), (260, 199598), (265, 195832), (269, 192920), (280, 185341), (364, 142570), (371, 139880), (424, 122395), (455, 114056), (520, 99799), (530, 97916), (538, 96460), (689, 75320), (728, 71285), (742, 69940), (910, 57028), (1060, 48958), (1076, 48230), (1345, 38584), (1378, 37660), (1484, 34970), (1820, 28514), (1855, 27976), (1883, 27560), (2120, 24479), (2152, 24115), (2690, 19292), (2756, 18830), (2968, 17485), (3445, 15064), (3497, 14840), (3640, 14257), (3710, 13988), (3766, 13780), (4823, 10760), (5380, 9646), (5512, 9415), (6890, 7532), (6994, 7420)]