22136720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 55965168

約数和(自身を除く): 33828448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 397, 410, 656, 680, 697, 794, 820, 1360, 1394, 1588, 1640, 1985, 2788, 3176, 3280, 3485, 3970, 5576, 6352, 6749, 6970, 7940, 11152, 13498, 13940, 15880, 16277, 26996, 27880, 31760, 32554, 33745, 53992, 55760, 65108, 67490, 81385, 107984, 130216, 134980, 162770, 260432, 269960, 276709, 325540, 539920, 553418, 651080, 1106836, 1302160, 1383545, 2213672, 2767090, 4427344, 5534180, 11068360, 22136720]

約数ペア:

[(1, 22136720), (2, 11068360), (4, 5534180), (5, 4427344), (8, 2767090), (10, 2213672), (16, 1383545), (17, 1302160), (20, 1106836), (34, 651080), (40, 553418), (41, 539920), (68, 325540), (80, 276709), (82, 269960), (85, 260432), (136, 162770), (164, 134980), (170, 130216), (205, 107984), (272, 81385), (328, 67490), (340, 65108), (397, 55760), (410, 53992), (656, 33745), (680, 32554), (697, 31760), (794, 27880), (820, 26996), (1360, 16277), (1394, 15880), (1588, 13940), (1640, 13498), (1985, 11152), (2788, 7940), (3176, 6970), (3280, 6749), (3485, 6352), (3970, 5576)]