158351840

素因数分解:

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

素因数の和:396

約数の個数: 96

約数和(自身を含む): 388644480

約数和(自身を除く): 230292640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 101, 160, 164, 202, 205, 239, 328, 404, 410, 478, 505, 656, 808, 820, 956, 1010, 1195, 1312, 1616, 1640, 1912, 2020, 2390, 3232, 3280, 3824, 4040, 4141, 4780, 6560, 7648, 8080, 8282, 9560, 9799, 16160, 16564, 19120, 19598, 20705, 24139, 33128, 38240, 39196, 41410, 48278, 48995, 66256, 78392, 82820, 96556, 97990, 120695, 132512, 156784, 165640, 193112, 195980, 241390, 313568, 331280, 386224, 391960, 482780, 662560, 772448, 783920, 965560, 989699, 1567840, 1931120, 1979398, 3862240, 3958796, 4948495, 7917592, 9896990, 15835184, 19793980, 31670368, 39587960, 79175920, 158351840]

約数ペア:

[(1, 158351840), (2, 79175920), (4, 39587960), (5, 31670368), (8, 19793980), (10, 15835184), (16, 9896990), (20, 7917592), (32, 4948495), (40, 3958796), (41, 3862240), (80, 1979398), (82, 1931120), (101, 1567840), (160, 989699), (164, 965560), (202, 783920), (205, 772448), (239, 662560), (328, 482780), (404, 391960), (410, 386224), (478, 331280), (505, 313568), (656, 241390), (808, 195980), (820, 193112), (956, 165640), (1010, 156784), (1195, 132512), (1312, 120695), (1616, 97990), (1640, 96556), (1912, 82820), (2020, 78392), (2390, 66256), (3232, 48995), (3280, 48278), (3824, 41410), (4040, 39196), (4141, 38240), (4780, 33128), (6560, 24139), (7648, 20705), (8080, 19598), (8282, 19120), (9560, 16564), (9799, 16160)]