38793320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 93603600

約数和(自身を除く): 54810280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 641, 680, 712, 890, 1282, 1513, 1780, 2564, 3026, 3205, 3560, 5128, 6052, 6410, 7565, 10897, 12104, 12820, 15130, 21794, 25640, 30260, 43588, 54485, 57049, 60520, 87176, 108970, 114098, 217940, 228196, 285245, 435880, 456392, 570490, 969833, 1140980, 1939666, 2281960, 3879332, 4849165, 7758664, 9698330, 19396660, 38793320]

約数ペア:

[(1, 38793320), (2, 19396660), (4, 9698330), (5, 7758664), (8, 4849165), (10, 3879332), (17, 2281960), (20, 1939666), (34, 1140980), (40, 969833), (68, 570490), (85, 456392), (89, 435880), (136, 285245), (170, 228196), (178, 217940), (340, 114098), (356, 108970), (445, 87176), (641, 60520), (680, 57049), (712, 54485), (890, 43588), (1282, 30260), (1513, 25640), (1780, 21794), (2564, 15130), (3026, 12820), (3205, 12104), (3560, 10897), (5128, 7565), (6052, 6410)]