67293980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 154719264

約数和(自身を除く): 87425284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4243, 7930, 8486, 15860, 16972, 21215, 42430, 55159, 84860, 110318, 220636, 258823, 275795, 517646, 551590, 1035292, 1103180, 1294115, 2588230, 3364699, 5176460, 6729398, 13458796, 16823495, 33646990, 67293980]

約数ペア:

[(1, 67293980), (2, 33646990), (4, 16823495), (5, 13458796), (10, 6729398), (13, 5176460), (20, 3364699), (26, 2588230), (52, 1294115), (61, 1103180), (65, 1035292), (122, 551590), (130, 517646), (244, 275795), (260, 258823), (305, 220636), (610, 110318), (793, 84860), (1220, 55159), (1586, 42430), (3172, 21215), (3965, 16972), (4243, 15860), (7930, 8486)]