23781640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 58106160

約数和(自身を除く): 34324520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 853, 1394, 1640, 1706, 2788, 3412, 3485, 4265, 5576, 6824, 6970, 8530, 13940, 14501, 17060, 27880, 29002, 34120, 34973, 58004, 69946, 72505, 116008, 139892, 145010, 174865, 279784, 290020, 349730, 580040, 594541, 699460, 1189082, 1398920, 2378164, 2972705, 4756328, 5945410, 11890820, 23781640]

約数ペア:

[(1, 23781640), (2, 11890820), (4, 5945410), (5, 4756328), (8, 2972705), (10, 2378164), (17, 1398920), (20, 1189082), (34, 699460), (40, 594541), (41, 580040), (68, 349730), (82, 290020), (85, 279784), (136, 174865), (164, 145010), (170, 139892), (205, 116008), (328, 72505), (340, 69946), (410, 58004), (680, 34973), (697, 34120), (820, 29002), (853, 27880), (1394, 17060), (1640, 14501), (1706, 13940), (2788, 8530), (3412, 6970), (3485, 6824), (4265, 5576)]