80223680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14747}}^1$

素因数の和:14781

約数の個数: 56

約数和(自身を含む): 202283568

約数和(自身を除く): 122059888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14747, 29494, 58988, 73735, 117976, 147470, 235952, 250699, 294940, 471904, 501398, 589880, 943808, 1002796, 1179760, 1253495, 2005592, 2359520, 2506990, 4011184, 4719040, 5013980, 8022368, 10027960, 16044736, 20055920, 40111840, 80223680]

約数ペア:

[(1, 80223680), (2, 40111840), (4, 20055920), (5, 16044736), (8, 10027960), (10, 8022368), (16, 5013980), (17, 4719040), (20, 4011184), (32, 2506990), (34, 2359520), (40, 2005592), (64, 1253495), (68, 1179760), (80, 1002796), (85, 943808), (136, 589880), (160, 501398), (170, 471904), (272, 294940), (320, 250699), (340, 235952), (544, 147470), (680, 117976), (1088, 73735), (1360, 58988), (2720, 29494), (5440, 14747)]