79175920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 191237760

約数和(自身を除く): 112061840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 239, 328, 404, 410, 478, 505, 656, 808, 820, 956, 1010, 1195, 1616, 1640, 1912, 2020, 2390, 3280, 3824, 4040, 4141, 4780, 8080, 8282, 9560, 9799, 16564, 19120, 19598, 20705, 24139, 33128, 39196, 41410, 48278, 48995, 66256, 78392, 82820, 96556, 97990, 120695, 156784, 165640, 193112, 195980, 241390, 331280, 386224, 391960, 482780, 783920, 965560, 989699, 1931120, 1979398, 3958796, 4948495, 7917592, 9896990, 15835184, 19793980, 39587960, 79175920]

約数ペア:

[(1, 79175920), (2, 39587960), (4, 19793980), (5, 15835184), (8, 9896990), (10, 7917592), (16, 4948495), (20, 3958796), (40, 1979398), (41, 1931120), (80, 989699), (82, 965560), (101, 783920), (164, 482780), (202, 391960), (205, 386224), (239, 331280), (328, 241390), (404, 195980), (410, 193112), (478, 165640), (505, 156784), (656, 120695), (808, 97990), (820, 96556), (956, 82820), (1010, 78392), (1195, 66256), (1616, 48995), (1640, 48278), (1912, 41410), (2020, 39196), (2390, 33128), (3280, 24139), (3824, 20705), (4040, 19598), (4141, 19120), (4780, 16564), (8080, 9799), (8282, 9560)]