38712440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 94802400

約数和(自身を除く): 56089960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 683, 872, 1090, 1366, 1417, 2180, 2732, 2834, 3415, 4360, 5464, 5668, 6830, 7085, 8879, 11336, 13660, 14170, 17758, 27320, 28340, 35516, 44395, 56680, 71032, 74447, 88790, 148894, 177580, 297788, 355160, 372235, 595576, 744470, 967811, 1488940, 1935622, 2977880, 3871244, 4839055, 7742488, 9678110, 19356220, 38712440]

約数ペア:

[(1, 38712440), (2, 19356220), (4, 9678110), (5, 7742488), (8, 4839055), (10, 3871244), (13, 2977880), (20, 1935622), (26, 1488940), (40, 967811), (52, 744470), (65, 595576), (104, 372235), (109, 355160), (130, 297788), (218, 177580), (260, 148894), (436, 88790), (520, 74447), (545, 71032), (683, 56680), (872, 44395), (1090, 35516), (1366, 28340), (1417, 27320), (2180, 17758), (2732, 14170), (2834, 13660), (3415, 11336), (4360, 8879), (5464, 7085), (5668, 6830)]