78481120

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7321}}^1$

素因数の和:7403

約数の個数: 48

約数和(自身を含む): 188204688

約数和(自身を除く): 109723568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 7321, 10720, 14642, 29284, 36605, 58568, 73210, 117136, 146420, 234272, 292840, 490507, 585680, 981014, 1171360, 1962028, 2452535, 3924056, 4905070, 7848112, 9810140, 15696224, 19620280, 39240560, 78481120]

約数ペア:

[(1, 78481120), (2, 39240560), (4, 19620280), (5, 15696224), (8, 9810140), (10, 7848112), (16, 4905070), (20, 3924056), (32, 2452535), (40, 1962028), (67, 1171360), (80, 981014), (134, 585680), (160, 490507), (268, 292840), (335, 234272), (536, 146420), (670, 117136), (1072, 73210), (1340, 58568), (2144, 36605), (2680, 29284), (5360, 14642), (7321, 10720)]