81167360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 88

約数和(自身を含む): 198084096

約数和(自身を除く): 116916736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 191, 256, 320, 332, 382, 415, 512, 640, 664, 764, 830, 955, 1024, 1280, 1328, 1528, 1660, 1910, 2560, 2656, 3056, 3320, 3820, 5120, 5312, 6112, 6640, 7640, 10624, 12224, 13280, 15280, 15853, 21248, 24448, 26560, 30560, 31706, 42496, 48896, 53120, 61120, 63412, 79265, 84992, 97792, 106240, 122240, 126824, 158530, 195584, 212480, 244480, 253648, 317060, 424960, 488960, 507296, 634120, 977920, 1014592, 1268240, 2029184, 2536480, 4058368, 5072960, 8116736, 10145920, 16233472, 20291840, 40583680, 81167360]

約数ペア:

[(1, 81167360), (2, 40583680), (4, 20291840), (5, 16233472), (8, 10145920), (10, 8116736), (16, 5072960), (20, 4058368), (32, 2536480), (40, 2029184), (64, 1268240), (80, 1014592), (83, 977920), (128, 634120), (160, 507296), (166, 488960), (191, 424960), (256, 317060), (320, 253648), (332, 244480), (382, 212480), (415, 195584), (512, 158530), (640, 126824), (664, 122240), (764, 106240), (830, 97792), (955, 84992), (1024, 79265), (1280, 63412), (1328, 61120), (1528, 53120), (1660, 48896), (1910, 42496), (2560, 31706), (2656, 30560), (3056, 26560), (3320, 24448), (3820, 21248), (5120, 15853), (5312, 15280), (6112, 13280), (6640, 12224), (7640, 10624)]