9720100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7477}}^1$

素因数の和:7504

約数の個数: 36

約数和(自身を含む): 22718164

約数和(自身を除く): 12998064

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 7477, 14954, 29908, 37385, 74770, 97201, 149540, 186925, 194402, 373850, 388804, 486005, 747700, 972010, 1944020, 2430025, 4860050, 9720100]

約数ペア:

[(1, 9720100), (2, 4860050), (4, 2430025), (5, 1944020), (10, 972010), (13, 747700), (20, 486005), (25, 388804), (26, 373850), (50, 194402), (52, 186925), (65, 149540), (100, 97201), (130, 74770), (260, 37385), (325, 29908), (650, 14954), (1300, 7477)]