156939795080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{495829}}^1$

素因数の和:496074

約数の個数: 64

約数和(自身を含む): 363602055600

約数和(自身を除く): 206662260520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 193, 205, 328, 386, 410, 772, 820, 965, 1544, 1640, 1930, 3860, 7720, 7913, 15826, 31652, 39565, 63304, 79130, 158260, 316520, 495829, 991658, 1983316, 2479145, 3966632, 4958290, 9916580, 19833160, 20328989, 40657978, 81315956, 95694997, 101644945, 162631912, 191389994, 203289890, 382779988, 406579780, 478474985, 765559976, 813159560, 956949970, 1913899940, 3827799880, 3923494877, 7846989754, 15693979508, 19617474385, 31387959016, 39234948770, 78469897540, 156939795080]

約数ペア:

[(1, 156939795080), (2, 78469897540), (4, 39234948770), (5, 31387959016), (8, 19617474385), (10, 15693979508), (20, 7846989754), (40, 3923494877), (41, 3827799880), (82, 1913899940), (164, 956949970), (193, 813159560), (205, 765559976), (328, 478474985), (386, 406579780), (410, 382779988), (772, 203289890), (820, 191389994), (965, 162631912), (1544, 101644945), (1640, 95694997), (1930, 81315956), (3860, 40657978), (7720, 20328989), (7913, 19833160), (15826, 9916580), (31652, 4958290), (39565, 3966632), (63304, 2479145), (79130, 1983316), (158260, 991658), (316520, 495829)]