105121250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{6469}}^1$

素因数の和:6504

約数の個数: 40

約数和(自身を含む): 212228940

約数和(自身を除く): 107107690

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 6469, 8125, 12938, 16250, 32345, 64690, 84097, 161725, 168194, 323450, 420485, 808625, 840970, 1617250, 2102425, 4043125, 4204850, 8086250, 10512125, 21024250, 52560625, 105121250]

約数ペア:

[(1, 105121250), (2, 52560625), (5, 21024250), (10, 10512125), (13, 8086250), (25, 4204850), (26, 4043125), (50, 2102425), (65, 1617250), (125, 840970), (130, 808625), (250, 420485), (325, 323450), (625, 168194), (650, 161725), (1250, 84097), (1625, 64690), (3250, 32345), (6469, 16250), (8125, 12938)]