78333320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 191887920

約数和(自身を除く): 113554600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1553, 1940, 2522, 3106, 3880, 5044, 6212, 6305, 7765, 10088, 12424, 12610, 15530, 20189, 25220, 31060, 40378, 50440, 62120, 80756, 100945, 150641, 161512, 201890, 301282, 403780, 602564, 753205, 807560, 1205128, 1506410, 1958333, 3012820, 3916666, 6025640, 7833332, 9791665, 15666664, 19583330, 39166660, 78333320]

約数ペア:

[(1, 78333320), (2, 39166660), (4, 19583330), (5, 15666664), (8, 9791665), (10, 7833332), (13, 6025640), (20, 3916666), (26, 3012820), (40, 1958333), (52, 1506410), (65, 1205128), (97, 807560), (104, 753205), (130, 602564), (194, 403780), (260, 301282), (388, 201890), (485, 161512), (520, 150641), (776, 100945), (970, 80756), (1261, 62120), (1553, 50440), (1940, 40378), (2522, 31060), (3106, 25220), (3880, 20189), (5044, 15530), (6212, 12610), (6305, 12424), (7765, 10088)]