25565549440

素因数分解:

$2^7\times 5^1\times {\mathrm{983}}^1\times {\mathrm{40637}}^1$

素因数の和:41639

約数の個数: 64

約数和(自身を含む): 61181321760

約数和(自身を除く): 35615772320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 983, 1966, 3932, 4915, 7864, 9830, 15728, 19660, 31456, 39320, 40637, 62912, 78640, 81274, 125824, 157280, 162548, 203185, 314560, 325096, 406370, 629120, 650192, 812740, 1300384, 1625480, 2600768, 3250960, 5201536, 6501920, 13003840, 26007680, 39946171, 79892342, 159784684, 199730855, 319569368, 399461710, 639138736, 798923420, 1278277472, 1597846840, 2556554944, 3195693680, 5113109888, 6391387360, 12782774720, 25565549440]

約数ペア:

[(1, 25565549440), (2, 12782774720), (4, 6391387360), (5, 5113109888), (8, 3195693680), (10, 2556554944), (16, 1597846840), (20, 1278277472), (32, 798923420), (40, 639138736), (64, 399461710), (80, 319569368), (128, 199730855), (160, 159784684), (320, 79892342), (640, 39946171), (983, 26007680), (1966, 13003840), (3932, 6501920), (4915, 5201536), (7864, 3250960), (9830, 2600768), (15728, 1625480), (19660, 1300384), (31456, 812740), (39320, 650192), (40637, 629120), (62912, 406370), (78640, 325096), (81274, 314560), (125824, 203185), (157280, 162548)]