128415625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 180457200

約数和(自身を除く): 52041575

約数列:

[1, 5, 13, 25, 29, 65, 109, 125, 145, 325, 377, 545, 625, 725, 1417, 1625, 1885, 2725, 3125, 3161, 3625, 7085, 8125, 9425, 13625, 15805, 18125, 35425, 40625, 41093, 47125, 68125, 79025, 90625, 177125, 205465, 235625, 340625, 395125, 885625, 1027325, 1178125, 1975625, 4428125, 5136625, 9878125, 25683125, 128415625]

約数ペア:

[(1, 128415625), (5, 25683125), (13, 9878125), (25, 5136625), (29, 4428125), (65, 1975625), (109, 1178125), (125, 1027325), (145, 885625), (325, 395125), (377, 340625), (545, 235625), (625, 205465), (725, 177125), (1417, 90625), (1625, 79025), (1885, 68125), (2725, 47125), (3125, 41093), (3161, 40625), (3625, 35425), (7085, 18125), (8125, 15805), (9425, 13625)]