55244020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 134628480

約数和(自身を除く): 79384460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 130, 190, 211, 212, 247, 260, 265, 380, 422, 494, 530, 689, 844, 988, 1007, 1055, 1060, 1235, 1378, 2014, 2110, 2470, 2743, 2756, 3445, 4009, 4028, 4220, 4940, 5035, 5486, 6890, 8018, 10070, 10972, 11183, 13091, 13715, 13780, 16036, 20045, 20140, 22366, 26182, 27430, 40090, 44732, 52117, 52364, 54860, 55915, 65455, 80180, 104234, 111830, 130910, 145379, 208468, 212477, 223660, 260585, 261820, 290758, 424954, 521170, 581516, 726895, 849908, 1042340, 1062385, 1453790, 2124770, 2762201, 2907580, 4249540, 5524402, 11048804, 13811005, 27622010, 55244020]

約数ペア:

[(1, 55244020), (2, 27622010), (4, 13811005), (5, 11048804), (10, 5524402), (13, 4249540), (19, 2907580), (20, 2762201), (26, 2124770), (38, 1453790), (52, 1062385), (53, 1042340), (65, 849908), (76, 726895), (95, 581516), (106, 521170), (130, 424954), (190, 290758), (211, 261820), (212, 260585), (247, 223660), (260, 212477), (265, 208468), (380, 145379), (422, 130910), (494, 111830), (530, 104234), (689, 80180), (844, 65455), (988, 55915), (1007, 54860), (1055, 52364), (1060, 52117), (1235, 44732), (1378, 40090), (2014, 27430), (2110, 26182), (2470, 22366), (2743, 20140), (2756, 20045), (3445, 16036), (4009, 13780), (4028, 13715), (4220, 13091), (4940, 11183), (5035, 10972), (5486, 10070), (6890, 8018)]