127975640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12953}}^1$

素因数の和:12996

約数の個数: 64

約数和(自身を含む): 326440800

約数和(自身を除く): 198465160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 12953, 25906, 51812, 64765, 103624, 129530, 168389, 246107, 259060, 336778, 492214, 518120, 673556, 841945, 984428, 1230535, 1347112, 1683890, 1968856, 2461070, 3199391, 3367780, 4922140, 6398782, 6735560, 9844280, 12797564, 15996955, 25595128, 31993910, 63987820, 127975640]

約数ペア:

[(1, 127975640), (2, 63987820), (4, 31993910), (5, 25595128), (8, 15996955), (10, 12797564), (13, 9844280), (19, 6735560), (20, 6398782), (26, 4922140), (38, 3367780), (40, 3199391), (52, 2461070), (65, 1968856), (76, 1683890), (95, 1347112), (104, 1230535), (130, 984428), (152, 841945), (190, 673556), (247, 518120), (260, 492214), (380, 336778), (494, 259060), (520, 246107), (760, 168389), (988, 129530), (1235, 103624), (1976, 64765), (2470, 51812), (4940, 25906), (9880, 12953)]