40890100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 95618880

約数和(自身を除く): 54728780

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 85, 100, 134, 170, 268, 335, 340, 359, 425, 670, 718, 850, 1139, 1340, 1436, 1675, 1700, 1795, 2278, 3350, 3590, 4556, 5695, 6103, 6700, 7180, 8975, 11390, 12206, 17950, 22780, 24053, 24412, 28475, 30515, 35900, 48106, 56950, 61030, 96212, 113900, 120265, 122060, 152575, 240530, 305150, 408901, 481060, 601325, 610300, 817802, 1202650, 1635604, 2044505, 2405300, 4089010, 8178020, 10222525, 20445050, 40890100]

約数ペア:

[(1, 40890100), (2, 20445050), (4, 10222525), (5, 8178020), (10, 4089010), (17, 2405300), (20, 2044505), (25, 1635604), (34, 1202650), (50, 817802), (67, 610300), (68, 601325), (85, 481060), (100, 408901), (134, 305150), (170, 240530), (268, 152575), (335, 122060), (340, 120265), (359, 113900), (425, 96212), (670, 61030), (718, 56950), (850, 48106), (1139, 35900), (1340, 30515), (1436, 28475), (1675, 24412), (1700, 24053), (1795, 22780), (2278, 17950), (3350, 12206), (3590, 11390), (4556, 8975), (5695, 7180), (6103, 6700)]