40475998720

素因数分解:

$2^9\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{8291}}^1$

素因数の和:10221

約数の個数: 80

約数和(自身を含む): 97110132768

約数和(自身を除く): 56634134048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1907, 2560, 3814, 7628, 8291, 9535, 15256, 16582, 19070, 30512, 33164, 38140, 41455, 61024, 66328, 76280, 82910, 122048, 132656, 152560, 165820, 244096, 265312, 305120, 331640, 488192, 530624, 610240, 663280, 976384, 1061248, 1220480, 1326560, 2122496, 2440960, 2653120, 4244992, 4881920, 5306240, 10612480, 15810937, 21224960, 31621874, 63243748, 79054685, 126487496, 158109370, 252974992, 316218740, 505949984, 632437480, 1011899968, 1264874960, 2023799936, 2529749920, 4047599872, 5059499840, 8095199744, 10118999680, 20237999360, 40475998720]

約数ペア:

[(1, 40475998720), (2, 20237999360), (4, 10118999680), (5, 8095199744), (8, 5059499840), (10, 4047599872), (16, 2529749920), (20, 2023799936), (32, 1264874960), (40, 1011899968), (64, 632437480), (80, 505949984), (128, 316218740), (160, 252974992), (256, 158109370), (320, 126487496), (512, 79054685), (640, 63243748), (1280, 31621874), (1907, 21224960), (2560, 15810937), (3814, 10612480), (7628, 5306240), (8291, 4881920), (9535, 4244992), (15256, 2653120), (16582, 2440960), (19070, 2122496), (30512, 1326560), (33164, 1220480), (38140, 1061248), (41455, 976384), (61024, 663280), (66328, 610240), (76280, 530624), (82910, 488192), (122048, 331640), (132656, 305120), (152560, 265312), (165820, 244096)]