72103655980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1\times {\mathrm{80489}}^1$

素因数の和:81498

約数の個数: 48

約数和(自身を含む): 154803519360

約数和(自身を除く): 82699863380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 953, 1906, 3812, 4765, 9530, 19060, 44791, 80489, 89582, 160978, 179164, 223955, 321956, 402445, 447910, 804890, 895820, 1609780, 3782983, 7565966, 15131932, 18914915, 37829830, 75659660, 76706017, 153412034, 306824068, 383530085, 767060170, 1534120340, 3605182799, 7210365598, 14420731196, 18025913995, 36051827990, 72103655980]

約数ペア:

[(1, 72103655980), (2, 36051827990), (4, 18025913995), (5, 14420731196), (10, 7210365598), (20, 3605182799), (47, 1534120340), (94, 767060170), (188, 383530085), (235, 306824068), (470, 153412034), (940, 76706017), (953, 75659660), (1906, 37829830), (3812, 18914915), (4765, 15131932), (9530, 7565966), (19060, 3782983), (44791, 1609780), (80489, 895820), (89582, 804890), (160978, 447910), (179164, 402445), (223955, 321956)]