23278040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 55836000

約数和(自身を除く): 32557960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 281, 380, 436, 545, 562, 760, 872, 1090, 1124, 1405, 2071, 2180, 2248, 2810, 4142, 4360, 5339, 5620, 8284, 10355, 10678, 11240, 16568, 20710, 21356, 26695, 30629, 41420, 42712, 53390, 61258, 82840, 106780, 122516, 153145, 213560, 245032, 306290, 581951, 612580, 1163902, 1225160, 2327804, 2909755, 4655608, 5819510, 11639020, 23278040]

約数ペア:

[(1, 23278040), (2, 11639020), (4, 5819510), (5, 4655608), (8, 2909755), (10, 2327804), (19, 1225160), (20, 1163902), (38, 612580), (40, 581951), (76, 306290), (95, 245032), (109, 213560), (152, 153145), (190, 122516), (218, 106780), (281, 82840), (380, 61258), (436, 53390), (545, 42712), (562, 41420), (760, 30629), (872, 26695), (1090, 21356), (1124, 20710), (1405, 16568), (2071, 11240), (2180, 10678), (2248, 10355), (2810, 8284), (4142, 5620), (4360, 5339)]