12592840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 31091760

約数和(自身を除く): 18498920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 397, 488, 520, 610, 793, 794, 1220, 1586, 1588, 1985, 2440, 3172, 3176, 3965, 3970, 5161, 6344, 7930, 7940, 10322, 15860, 15880, 20644, 24217, 25805, 31720, 41288, 48434, 51610, 96868, 103220, 121085, 193736, 206440, 242170, 314821, 484340, 629642, 968680, 1259284, 1574105, 2518568, 3148210, 6296420, 12592840]

約数ペア:

[(1, 12592840), (2, 6296420), (4, 3148210), (5, 2518568), (8, 1574105), (10, 1259284), (13, 968680), (20, 629642), (26, 484340), (40, 314821), (52, 242170), (61, 206440), (65, 193736), (104, 121085), (122, 103220), (130, 96868), (244, 51610), (260, 48434), (305, 41288), (397, 31720), (488, 25805), (520, 24217), (610, 20644), (793, 15880), (794, 15860), (1220, 10322), (1586, 7940), (1588, 7930), (1985, 6344), (2440, 5161), (3172, 3970), (3176, 3965)]