40045520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 98899920

約数和(自身を除く): 58854400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 421, 464, 580, 656, 820, 842, 1160, 1189, 1640, 1684, 2105, 2320, 2378, 3280, 3368, 4210, 4756, 5945, 6736, 8420, 9512, 11890, 12209, 16840, 17261, 19024, 23780, 24418, 33680, 34522, 47560, 48836, 61045, 69044, 86305, 95120, 97672, 122090, 138088, 172610, 195344, 244180, 276176, 345220, 488360, 500569, 690440, 976720, 1001138, 1380880, 2002276, 2502845, 4004552, 5005690, 8009104, 10011380, 20022760, 40045520]

約数ペア:

[(1, 40045520), (2, 20022760), (4, 10011380), (5, 8009104), (8, 5005690), (10, 4004552), (16, 2502845), (20, 2002276), (29, 1380880), (40, 1001138), (41, 976720), (58, 690440), (80, 500569), (82, 488360), (116, 345220), (145, 276176), (164, 244180), (205, 195344), (232, 172610), (290, 138088), (328, 122090), (410, 97672), (421, 95120), (464, 86305), (580, 69044), (656, 61045), (820, 48836), (842, 47560), (1160, 34522), (1189, 33680), (1640, 24418), (1684, 23780), (2105, 19024), (2320, 17261), (2378, 16840), (3280, 12209), (3368, 11890), (4210, 9512), (4756, 8420), (5945, 6736)]