64743640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6553}}^1$

素因数の和:6596

約数の個数: 64

約数和(自身を含む): 165160800

約数和(自身を除く): 100417160

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, 6553, 9880, 13106, 26212, 32765, 52424, 65530, 85189, 124507, 131060, 170378, 249014, 262120, 340756, 425945, 498028, 622535, 681512, 851890, 996056, 1245070, 1618591, 1703780, 2490140, 3237182, 3407560, 4980280, 6474364, 8092955, 12948728, 16185910, 32371820, 64743640]

約数ペア:

[(1, 64743640), (2, 32371820), (4, 16185910), (5, 12948728), (8, 8092955), (10, 6474364), (13, 4980280), (19, 3407560), (20, 3237182), (26, 2490140), (38, 1703780), (40, 1618591), (52, 1245070), (65, 996056), (76, 851890), (95, 681512), (104, 622535), (130, 498028), (152, 425945), (190, 340756), (247, 262120), (260, 249014), (380, 170378), (494, 131060), (520, 124507), (760, 85189), (988, 65530), (1235, 52424), (1976, 32765), (2470, 26212), (4940, 13106), (6553, 9880)]