4155320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 10311840

約数和(自身を除く): 6156520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 131, 244, 260, 262, 305, 488, 520, 524, 610, 655, 793, 1048, 1220, 1310, 1586, 1703, 2440, 2620, 3172, 3406, 3965, 5240, 6344, 6812, 7930, 7991, 8515, 13624, 15860, 15982, 17030, 31720, 31964, 34060, 39955, 63928, 68120, 79910, 103883, 159820, 207766, 319640, 415532, 519415, 831064, 1038830, 2077660, 4155320]

約数ペア:

[(1, 4155320), (2, 2077660), (4, 1038830), (5, 831064), (8, 519415), (10, 415532), (13, 319640), (20, 207766), (26, 159820), (40, 103883), (52, 79910), (61, 68120), (65, 63928), (104, 39955), (122, 34060), (130, 31964), (131, 31720), (244, 17030), (260, 15982), (262, 15860), (305, 13624), (488, 8515), (520, 7991), (524, 7930), (610, 6812), (655, 6344), (793, 5240), (1048, 3965), (1220, 3406), (1310, 3172), (1586, 2620), (1703, 2440)]