28815677875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{863}}^1$

素因数の和:1741

約数の個数: 64

約数和(自身を含む): 40176414720

約数和(自身を除く): 11360736845

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 323, 425, 475, 827, 863, 1615, 2125, 2375, 4135, 4315, 8075, 14059, 14671, 15713, 16397, 20675, 21575, 40375, 70295, 73355, 78565, 81985, 103375, 107875, 267121, 278749, 351475, 366775, 392825, 409925, 713701, 1335605, 1393745, 1757375, 1833875, 1964125, 2049625, 3568505, 6678025, 6968725, 12132917, 13560319, 17842525, 33390125, 34843625, 60664585, 67801595, 89212625, 230525423, 303322925, 339007975, 1152627115, 1516614625, 1695039875, 5763135575, 28815677875]

約数ペア:

[(1, 28815677875), (5, 5763135575), (17, 1695039875), (19, 1516614625), (25, 1152627115), (85, 339007975), (95, 303322925), (125, 230525423), (323, 89212625), (425, 67801595), (475, 60664585), (827, 34843625), (863, 33390125), (1615, 17842525), (2125, 13560319), (2375, 12132917), (4135, 6968725), (4315, 6678025), (8075, 3568505), (14059, 2049625), (14671, 1964125), (15713, 1833875), (16397, 1757375), (20675, 1393745), (21575, 1335605), (40375, 713701), (70295, 409925), (73355, 392825), (78565, 366775), (81985, 351475), (103375, 278749), (107875, 267121)]