39995390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 81461376

約数和(自身を除く): 41465986

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 106, 115, 170, 193, 230, 265, 386, 391, 530, 782, 901, 965, 1219, 1802, 1930, 1955, 2438, 3281, 3910, 4439, 4505, 6095, 6562, 8878, 9010, 10229, 12190, 16405, 20458, 20723, 22195, 32810, 41446, 44390, 51145, 75463, 102290, 103615, 150926, 173893, 207230, 235267, 347786, 377315, 470534, 754630, 869465, 1176335, 1738930, 2352670, 3999539, 7999078, 19997695, 39995390]

約数ペア:

[(1, 39995390), (2, 19997695), (5, 7999078), (10, 3999539), (17, 2352670), (23, 1738930), (34, 1176335), (46, 869465), (53, 754630), (85, 470534), (106, 377315), (115, 347786), (170, 235267), (193, 207230), (230, 173893), (265, 150926), (386, 103615), (391, 102290), (530, 75463), (782, 51145), (901, 44390), (965, 41446), (1219, 32810), (1802, 22195), (1930, 20723), (1955, 20458), (2438, 16405), (3281, 12190), (3910, 10229), (4439, 9010), (4505, 8878), (6095, 6562)]