128012950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6353}}^1$

素因数の和:6409

約数の個数: 48

約数和(自身を含む): 264733056

約数和(自身を除く): 136720106

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 6353, 10075, 12706, 20150, 31765, 63530, 82589, 158825, 165178, 196943, 317650, 393886, 412945, 825890, 984715, 1969430, 2064725, 2560259, 4129450, 4923575, 5120518, 9847150, 12801295, 25602590, 64006475, 128012950]

約数ペア:

[(1, 128012950), (2, 64006475), (5, 25602590), (10, 12801295), (13, 9847150), (25, 5120518), (26, 4923575), (31, 4129450), (50, 2560259), (62, 2064725), (65, 1969430), (130, 984715), (155, 825890), (310, 412945), (325, 393886), (403, 317650), (650, 196943), (775, 165178), (806, 158825), (1550, 82589), (2015, 63530), (4030, 31765), (6353, 20150), (10075, 12706)]