20250880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 52281432

約数和(自身を除く): 32030552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1217, 1280, 1664, 2080, 2434, 3328, 4160, 4868, 6085, 8320, 9736, 12170, 15821, 16640, 19472, 24340, 31642, 38944, 48680, 63284, 77888, 79105, 97360, 126568, 155776, 158210, 194720, 253136, 311552, 316420, 389440, 506272, 632840, 778880, 1012544, 1265680, 1557760, 2025088, 2531360, 4050176, 5062720, 10125440, 20250880]

約数ペア:

[(1, 20250880), (2, 10125440), (4, 5062720), (5, 4050176), (8, 2531360), (10, 2025088), (13, 1557760), (16, 1265680), (20, 1012544), (26, 778880), (32, 632840), (40, 506272), (52, 389440), (64, 316420), (65, 311552), (80, 253136), (104, 194720), (128, 158210), (130, 155776), (160, 126568), (208, 97360), (256, 79105), (260, 77888), (320, 63284), (416, 48680), (520, 38944), (640, 31642), (832, 24340), (1040, 19472), (1217, 16640), (1280, 15821), (1664, 12170), (2080, 9736), (2434, 8320), (3328, 6085), (4160, 4868)]