104913920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 88

約数和(自身を含む): 260181888

約数和(自身を除く): 155267968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 661, 992, 1024, 1240, 1280, 1322, 1984, 2480, 2560, 2644, 3305, 3968, 4960, 5120, 5288, 6610, 7936, 9920, 10576, 13220, 15872, 19840, 20491, 21152, 26440, 31744, 39680, 40982, 42304, 52880, 79360, 81964, 84608, 102455, 105760, 158720, 163928, 169216, 204910, 211520, 327856, 338432, 409820, 423040, 655712, 676864, 819640, 846080, 1311424, 1639280, 1692160, 2622848, 3278560, 3384320, 5245696, 6557120, 10491392, 13114240, 20982784, 26228480, 52456960, 104913920]

約数ペア:

[(1, 104913920), (2, 52456960), (4, 26228480), (5, 20982784), (8, 13114240), (10, 10491392), (16, 6557120), (20, 5245696), (31, 3384320), (32, 3278560), (40, 2622848), (62, 1692160), (64, 1639280), (80, 1311424), (124, 846080), (128, 819640), (155, 676864), (160, 655712), (248, 423040), (256, 409820), (310, 338432), (320, 327856), (496, 211520), (512, 204910), (620, 169216), (640, 163928), (661, 158720), (992, 105760), (1024, 102455), (1240, 84608), (1280, 81964), (1322, 79360), (1984, 52880), (2480, 42304), (2560, 40982), (2644, 39680), (3305, 31744), (3968, 26440), (4960, 21152), (5120, 20491), (5288, 19840), (6610, 15872), (7936, 13220), (9920, 10576)]