31974540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40993}}^1$

素因数の和:41018

約数の個数: 48

約数和(自身を含む): 96417888

約数和(自身を除く): 64443348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40993, 81986, 122979, 163972, 204965, 245958, 409930, 491916, 532909, 614895, 819860, 1065818, 1229790, 1598727, 2131636, 2459580, 2664545, 3197454, 5329090, 6394908, 7993635, 10658180, 15987270, 31974540]

約数ペア:

[(1, 31974540), (2, 15987270), (3, 10658180), (4, 7993635), (5, 6394908), (6, 5329090), (10, 3197454), (12, 2664545), (13, 2459580), (15, 2131636), (20, 1598727), (26, 1229790), (30, 1065818), (39, 819860), (52, 614895), (60, 532909), (65, 491916), (78, 409930), (130, 245958), (156, 204965), (195, 163972), (260, 122979), (390, 81986), (780, 40993)]