51804100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 122992128

約数和(自身を除く): 71188028

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 983, 1054, 1550, 1700, 1966, 2108, 2635, 3100, 3932, 4915, 5270, 9830, 10540, 13175, 16711, 19660, 24575, 26350, 30473, 33422, 49150, 52700, 60946, 66844, 83555, 98300, 121892, 152365, 167110, 304730, 334220, 417775, 518041, 609460, 761825, 835550, 1036082, 1523650, 1671100, 2072164, 2590205, 3047300, 5180410, 10360820, 12951025, 25902050, 51804100]

約数ペア:

[(1, 51804100), (2, 25902050), (4, 12951025), (5, 10360820), (10, 5180410), (17, 3047300), (20, 2590205), (25, 2072164), (31, 1671100), (34, 1523650), (50, 1036082), (62, 835550), (68, 761825), (85, 609460), (100, 518041), (124, 417775), (155, 334220), (170, 304730), (310, 167110), (340, 152365), (425, 121892), (527, 98300), (620, 83555), (775, 66844), (850, 60946), (983, 52700), (1054, 49150), (1550, 33422), (1700, 30473), (1966, 26350), (2108, 24575), (2635, 19660), (3100, 16711), (3932, 13175), (4915, 10540), (5270, 9830)]