40640860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2333}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 93322656

約数和(自身を除く): 52681796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 2333, 3484, 4355, 4666, 8710, 9332, 11665, 17420, 23330, 30329, 46660, 60658, 121316, 151645, 156311, 303290, 312622, 606580, 625244, 781555, 1563110, 2032043, 3126220, 4064086, 8128172, 10160215, 20320430, 40640860]

約数ペア:

[(1, 40640860), (2, 20320430), (4, 10160215), (5, 8128172), (10, 4064086), (13, 3126220), (20, 2032043), (26, 1563110), (52, 781555), (65, 625244), (67, 606580), (130, 312622), (134, 303290), (260, 156311), (268, 151645), (335, 121316), (670, 60658), (871, 46660), (1340, 30329), (1742, 23330), (2333, 17420), (3484, 11665), (4355, 9332), (4666, 8710)]