12121255900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1\times {\mathrm{6791}}^1$

素因数の和:8191

約数の個数: 72

約数和(自身を含む): 28351247904

約数和(自身を除く): 16229992004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1373, 2746, 5492, 6791, 6865, 13582, 13730, 17849, 27164, 27460, 33955, 34325, 35698, 67910, 68650, 71396, 88283, 89245, 135820, 137300, 169775, 176566, 178490, 339550, 353132, 356980, 441415, 446225, 679100, 882830, 892450, 1765660, 1784900, 2207075, 4414150, 8828300, 9324043, 18648086, 37296172, 46620215, 93240430, 121212559, 186480860, 233101075, 242425118, 466202150, 484850236, 606062795, 932404300, 1212125590, 2424251180, 3030313975, 6060627950, 12121255900]

約数ペア:

[(1, 12121255900), (2, 6060627950), (4, 3030313975), (5, 2424251180), (10, 1212125590), (13, 932404300), (20, 606062795), (25, 484850236), (26, 466202150), (50, 242425118), (52, 233101075), (65, 186480860), (100, 121212559), (130, 93240430), (260, 46620215), (325, 37296172), (650, 18648086), (1300, 9324043), (1373, 8828300), (2746, 4414150), (5492, 2207075), (6791, 1784900), (6865, 1765660), (13582, 892450), (13730, 882830), (17849, 679100), (27164, 446225), (27460, 441415), (33955, 356980), (34325, 353132), (35698, 339550), (67910, 178490), (68650, 176566), (71396, 169775), (88283, 137300), (89245, 135820)]