51131470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 105799680

約数和(自身を除く): 54668210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 127, 130, 163, 190, 247, 254, 326, 494, 635, 815, 1235, 1270, 1630, 1651, 2119, 2413, 2470, 3097, 3302, 4238, 4826, 6194, 8255, 10595, 12065, 15485, 16510, 20701, 21190, 24130, 30970, 31369, 40261, 41402, 62738, 80522, 103505, 156845, 201305, 207010, 269113, 313690, 393319, 402610, 538226, 786638, 1345565, 1966595, 2691130, 3933190, 5113147, 10226294, 25565735, 51131470]

約数ペア:

[(1, 51131470), (2, 25565735), (5, 10226294), (10, 5113147), (13, 3933190), (19, 2691130), (26, 1966595), (38, 1345565), (65, 786638), (95, 538226), (127, 402610), (130, 393319), (163, 313690), (190, 269113), (247, 207010), (254, 201305), (326, 156845), (494, 103505), (635, 80522), (815, 62738), (1235, 41402), (1270, 40261), (1630, 31369), (1651, 30970), (2119, 24130), (2413, 21190), (2470, 20701), (3097, 16510), (3302, 15485), (4238, 12065), (4826, 10595), (6194, 8255)]