39937300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 96438272

約数和(自身を除く): 56500972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 991, 1300, 1550, 1612, 1982, 2015, 3100, 3964, 4030, 4955, 8060, 9910, 10075, 12883, 19820, 20150, 24775, 25766, 30721, 40300, 49550, 51532, 61442, 64415, 99100, 122884, 128830, 153605, 257660, 307210, 322075, 399373, 614420, 644150, 768025, 798746, 1288300, 1536050, 1597492, 1996865, 3072100, 3993730, 7987460, 9984325, 19968650, 39937300]

約数ペア:

[(1, 39937300), (2, 19968650), (4, 9984325), (5, 7987460), (10, 3993730), (13, 3072100), (20, 1996865), (25, 1597492), (26, 1536050), (31, 1288300), (50, 798746), (52, 768025), (62, 644150), (65, 614420), (100, 399373), (124, 322075), (130, 307210), (155, 257660), (260, 153605), (310, 128830), (325, 122884), (403, 99100), (620, 64415), (650, 61442), (775, 51532), (806, 49550), (991, 40300), (1300, 30721), (1550, 25766), (1612, 24775), (1982, 20150), (2015, 19820), (3100, 12883), (3964, 10075), (4030, 9910), (4955, 8060)]