4080357100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{1451}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 9025266096

約数和(自身を除く): 4944908996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 461, 610, 922, 1220, 1451, 1525, 1844, 2305, 2902, 3050, 4610, 5804, 6100, 7255, 9220, 11525, 14510, 23050, 28121, 29020, 36275, 46100, 56242, 72550, 88511, 112484, 140605, 145100, 177022, 281210, 354044, 442555, 562420, 668911, 703025, 885110, 1337822, 1406050, 1770220, 2212775, 2675644, 2812100, 3344555, 4425550, 6689110, 8851100, 13378220, 16722775, 33445550, 40803571, 66891100, 81607142, 163214284, 204017855, 408035710, 816071420, 1020089275, 2040178550, 4080357100]

約数ペア:

[(1, 4080357100), (2, 2040178550), (4, 1020089275), (5, 816071420), (10, 408035710), (20, 204017855), (25, 163214284), (50, 81607142), (61, 66891100), (100, 40803571), (122, 33445550), (244, 16722775), (305, 13378220), (461, 8851100), (610, 6689110), (922, 4425550), (1220, 3344555), (1451, 2812100), (1525, 2675644), (1844, 2212775), (2305, 1770220), (2902, 1406050), (3050, 1337822), (4610, 885110), (5804, 703025), (6100, 668911), (7255, 562420), (9220, 442555), (11525, 354044), (14510, 281210), (23050, 177022), (28121, 145100), (29020, 140605), (36275, 112484), (46100, 88511), (56242, 72550)]